:root {
    --forest: #1B3020; --forest-2: #24402A; --green: #2F5233;
    --cream: #FAF7F0; --paper: #FFFDF8; --sand: #F2EBDC;
    --gold: #B08D3E; --gold-dark: #82672C; --ink: #22271F; --muted: #5E6357;
    --line: #E3DBC8; --grid: #ECE5D4; --bad: #8C2F26;
    --c1: #2E8540; --c2: #2F6DB5; --c3: #B08D3E; --c4: #B23A2A; --c-muted: #C9C1AE;
    --serif: "Crimson Text", Georgia, serif; --display: "Playfair Display", Georgia, serif;
    --sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  }
  * { box-sizing: border-box; }
  html { -webkit-text-size-adjust: 100%; }
  body { margin: 0; background: var(--cream); color: var(--ink); font-family: var(--serif); font-size: 19px; line-height: 1.55; }
  a { color: var(--green); text-decoration-color: var(--gold); text-underline-offset: 3px; }
  a:hover { color: var(--forest); }
  .wrap { max-width: 72rem; margin: 0 auto; padding: 0 16px; }
  @media (min-width: 700px) { .wrap { padding: 0 32px; } }

  .topbar { background: var(--forest); color: var(--cream); }
  .topbar .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 4rem; }
  .brand { font-family: var(--display); letter-spacing: .12em; font-size: 14px; text-transform: uppercase; color: var(--cream); text-decoration: none; }
  .brand:hover { color: #D4AC5C; }
  .toplink { font-family: var(--sans); font-size: 14px; color: #D4AC5C; text-decoration: none; }

  .hero { background: var(--forest-2); color: var(--cream); padding: 48px 0 56px; }
  .eyebrow { font-family: var(--sans); font-size: 13px; letter-spacing: .14em; text-transform: uppercase; color: #D4AC5C; margin: 0 0 12px; }
  .hero h1 { font-family: var(--display); font-weight: 500; font-size: clamp(2rem, 5vw, 3.2rem); line-height: 1.12; margin: 0 0 18px; max-width: 18ch; }
  .hero p.lede { font-size: 21px; max-width: 44rem; margin: 0; color: #EDE6D4; }
  .hero .meta { font-family: var(--sans); font-size: 14px; color: #BFC8B8; margin-top: 18px; }
  .hero .meta a { color: #E8C877; text-decoration-color: #E8C877; }

  nav.toc { position: sticky; top: 0; z-index: 5; background: var(--paper); border-bottom: 1px solid var(--line); }
  nav.toc .wrap { display: flex; gap: 20px; overflow-x: auto; white-space: nowrap; padding-top: 12px; padding-bottom: 12px; font-family: var(--sans); font-size: 14px; }
  nav.toc a { text-decoration: none; color: var(--muted); }
  nav.toc a:hover { color: var(--forest); }

  main { padding: 32px 0 64px; }
  h2 { font-family: var(--display); font-weight: 500; font-size: clamp(1.5rem, 3vw, 2rem); line-height: 1.2; margin: 56px 0 8px; color: var(--forest); scroll-margin-top: 64px; }
  h2 + p.intro { margin-top: 0; }
  h3 { font-family: var(--sans); font-size: 15px; font-weight: 600; margin: 0 0 4px; color: var(--ink); }
  p.intro { max-width: 46rem; color: var(--ink); }
  .note { font-family: var(--sans); font-size: 13px; line-height: 1.45; color: var(--muted); margin: 0 0 10px; }

  .tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 14rem), 1fr)); gap: 14px; margin-top: 8px; }
  .tile, .card { background: var(--paper); border: 1px solid var(--line); border-radius: 8px; padding: 20px; }
  .tile .label { font-family: var(--sans); font-size: 13px; color: var(--muted); margin-bottom: 6px; }
  .tile .big { font-family: var(--display); font-weight: 500; font-size: 2.1rem; line-height: 1.15; color: var(--forest); font-variant-numeric: tabular-nums; }
  .tile .sub { font-family: var(--sans); font-size: 13px; color: var(--muted); margin-top: 6px; }
  .tile b, .tile .big b { font-weight: 600; font-variant-numeric: tabular-nums; }

  .grid2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 24rem), 1fr)); gap: 14px; }
  .chart { position: relative; min-height: 260px; }
  .chart svg { display: block; overflow: visible; }
  .tick { font-family: var(--sans); font-size: 12px; fill: var(--muted); font-variant-numeric: tabular-nums; }
  .endlabel { font-family: var(--sans); font-size: 12px; fill: var(--ink); }
  .legend { display: flex; flex-wrap: wrap; gap: 6px 16px; font-family: var(--sans); font-size: 13px; color: var(--muted); margin: 4px 0 8px; }
  .legend span { display: inline-flex; align-items: center; gap: 6px; }
  .sw { width: 10px; height: 10px; border-radius: 2px; display: inline-block; }
  .tip { position: absolute; pointer-events: none; background: #fff; border: 1px solid var(--line); border-radius: 6px; box-shadow: 0 4px 14px rgba(27,48,32,.14); padding: 6px 10px; font-family: var(--sans); font-size: 12px; white-space: nowrap; z-index: 3; font-variant-numeric: tabular-nums; }
  .tip .h { color: var(--muted); margin-bottom: 2px; }
  .tip .r { display: flex; align-items: center; gap: 6px; color: var(--ink); }

  .tablebox { max-height: 30rem; overflow: auto; border-radius: 6px; }
  table { width: 100%; border-collapse: collapse; font-family: var(--sans); font-size: 13px; font-variant-numeric: tabular-nums; }
  th { position: sticky; top: 0; background: var(--paper); text-align: left; font-weight: 600; color: var(--muted); padding: 8px 10px; border-bottom: 1px solid var(--line); }
  td { padding: 8px 10px; border-bottom: 1px solid var(--grid); vertical-align: top; }
  .num { text-align: right; }
  td.wrapcell { white-space: normal; min-width: 14rem; line-height: 1.45; }
  .yes { color: var(--bad); font-weight: 600; }
  @media (max-width: 640px) { .hide-narrow { display: none; } }

  .context { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 20rem), 1fr)); gap: 14px; }
  .context .card p { margin: 0; font-size: 18px; }
  .context .card h3 { margin-bottom: 6px; }

  ul.sources { padding-left: 1.1em; margin: 8px 0 0; }
  ul.sources li { margin: 4px 0; }
  .downloads { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 10px; }
  .btn { display: inline-block; font-family: var(--sans); font-size: 14px; padding: 9px 14px; border-radius: 6px; border: 1px solid var(--green); color: var(--green); text-decoration: none; background: var(--paper); }
  .btn:hover { background: var(--green); color: var(--cream); }

  footer { background: var(--forest); color: #CFD6C8; font-family: var(--sans); font-size: 14px; padding: 32px 0; }
  footer a { color: #D4AC5C; }
  footer p { margin: 6px 0; max-width: 46rem; }

  /* ---- shared additions for multi-page site ---- */
  :root { --c5: #7A4FA0; --c6: #8A8F86; }
  .sitenav { display: flex; gap: 6px; flex-wrap: wrap; }
  .sitenav a { font-family: var(--sans); font-size: 14px; color: #EDE6D4; text-decoration: none; padding: 6px 10px; border-radius: 6px; }
  .sitenav a:hover { background: rgba(255,255,255,.08); color: #fff; }
  .sitenav a[aria-current="page"] { background: rgba(212,172,92,.18); color: #D4AC5C; }
  @media (max-width: 640px) { .topbar .wrap { flex-direction: column; align-items: flex-start; padding-top: 10px; padding-bottom: 10px; } }
  .search { width: 100%; max-width: 26rem; font: 15px var(--sans); padding: 9px 12px; border: 1px solid var(--line); border-radius: 6px; background: #fff; color: var(--ink); }
  .controls { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin: 4px 0 10px; }
  .controls select { font: 14px var(--sans); padding: 8px 10px; border: 1px solid var(--line); border-radius: 6px; background: #fff; }
  th button { all: unset; cursor: pointer; }
  th button:hover { color: var(--forest); }
  th[aria-sort="descending"] button::after { content: " ↓"; }
  th[aria-sort="ascending"] button::after { content: " ↑"; }
  .spark { display: block; }
  .count { font-family: var(--sans); font-size: 13px; color: var(--muted); }
  .q { background: var(--paper); border: 1px solid var(--line); border-left: 4px solid var(--gold); border-radius: 8px; padding: 20px 22px; margin: 14px 0; }
  .q h3 { font-family: var(--display); font-weight: 500; font-size: 1.3rem; color: var(--forest); margin: 0 0 8px; }
  .q .label { font-family: var(--sans); font-size: 12px; letter-spacing: .08em; text-transform: uppercase; color: var(--gold-dark); margin: 12px 0 2px; }
  .q p { margin: 0 0 6px; }
  .q ul { margin: 4px 0 0; padding-left: 1.1em; }
  .q .src { font-family: var(--sans); font-size: 13px; color: var(--muted); }
  .q .src a { word-break: break-word; }
  .q.clean { border-left-color: var(--c1); }
  .pill { display: inline-block; font-family: var(--sans); font-size: 12px; padding: 2px 8px; border-radius: 99px; background: var(--sand); color: var(--ink); margin-right: 6px; }
  .bignum { font-family: var(--display); font-size: 1.6rem; color: var(--forest); font-variant-numeric: tabular-nums; }

  .ways { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 15rem), 1fr)); gap: 14px; margin-top: 8px; }
  .ways .tile .big { font-size: 1.8rem; }